diff options
Diffstat (limited to 'Doc/library/re.rst')
| -rw-r--r-- | Doc/library/re.rst | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index 9268eb2..d1823aa 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -733,13 +733,36 @@ form. Clear the regular expression cache. -.. exception:: error +.. exception:: error(msg, pattern=None, pos=None) Exception raised when a string passed to one of the functions here is not a valid regular expression (for example, it might contain unmatched parentheses) or when some other error occurs during compilation or matching. It is never an - error if a string contains no match for a pattern. + error if a string contains no match for a pattern. The error instance has + the following additional attributes: + .. attribute:: msg + + The unformatted error message. + + .. attribute:: pattern + + The regular expression pattern. + + .. attribute:: pos + + The index of *pattern* where compilation failed. + + .. attribute:: lineno + + The line corresponding to *pos*. + + .. attribute:: colno + + The column corresponding to *pos*. + + .. versionchanged:: 3.5 + Added additional attributes. .. _re-objects: |